Hi,
I know, that you are right!
Here are some background informations:
We have an IBM BladeCenter E with two Cisco switches. Switch one is for
the outside network traffic and switch two is for the storage network.
There is no special configuration for the second switch, only a
configured etherchannel.
The Problem with the BladeCenter is, that there are only two network
ports an all blades, for two switches. It is possible put put two more
switches in it, but have to buy than extra network cards for all blades.
Maybe, I can talk to my CEO to buy one or two more switches and
networkcards, but before that, I have to submit some good statements, if
a raid over two iSCSI targets is possible and works well.
My favorite would be two 4gb fiber channel switches, but fiber channel
is expensive and there is no 10GB network option for the IBM BladeCenter E.
@all,
thank you for your experience!
Am 16.11.2012 12:20, schrieb Christopher Chan:
On Friday, November 16, 2012 07:05 PM, Florian wrote:
Hi,
I don't know where is your problem? You don't know our network
infrastructure.
It is not so easy to have two redundant switches, no it is even not
possible.
It would be nice, if we can have two redundant switches, but this was
not my question!
Sorry, if my first answer was rude to you, but understand me. You
made the first answer to my question and it did not help!! Your
answer had nothing to do with my question!
Okay, I get it, you don't care about potential problems, no problem.
I hope you have a good switch that can do wire speed and not 30-40 MiB
only (D-Link any one?) and some can only do the whole 1gb when jumbo
frames is enabled.
You just have to try it out yourself and run some speed tests because
we can theorize until the cows come home but only a real practical
test will give you the answer. Like you said, we don't know your
network infrastucture, we don't know your OI server disk setup and we
don't know what hardware you have.
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